Links a return shipping label to a return id. You can only create one return label per return id. Since the label is sent to the buyer, the linked return label cannot be updated or deleted. If you try to create multiple return shipping labels for a single return id, every create request except the first will fail.
Required. The merchant the Return Shipping Label belongs to.
Required. Provide the Google-generated merchant order return ID.
The request body contains an instance of
If successful, the response body contains a newly created instance of
Requires one of the following OAuth scopes:
For more information, see the OAuth 2.0 Overview.